Finding the Fourth Proportional to 326,081.26, 488,875.41 and 213,789.73
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Solution
The fourth proportional to 326,081.26, 488,875.41 and 213,789.73 is: 320,522.99
Step by Step Solution
- Step 1: Write the proportion equation
326,081.26 : 488,875.41 = 213,789.73 : x - Step 2: Convert to fraction form
326,081.26/488,875.41 = 213,789.73/x - Step 3: Cross multiply
326,081.26x = 488,875.41 × 213,789.73 - Step 4: Simplify right side
326,081.26x = 104,516,541,907.54 - Step 5: Solve for x
x = 104,516,541,907.54/326,081.26 - Step 6: Final answer
x = 320,522.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.